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Question: concepts and static structures 3 2 marks explain the difference...

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Concepts and Static Structures 3. (2 marks) Explain the difference between forces of tension and compression. Use an example to illustrate your answer. 4. (4 marks) A single force f is applied at a point O but it was replaced with a couple M and a force F. Find the original single force f applied at point O: Namely, determine the direction and magnitude of this force f, and find the distance a. Note that F 400 N, M 200 Nm, and a is measured along the arm of the wrench which is oriented at an angle of θ-30° to the horizontal as shown.
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